40221031 has 8 divisors (see below), whose sum is σ = 42792624. Its totient is φ = 37672320.

The previous prime is 40221023. The next prime is 40221047. The reversal of 40221031 is 13012204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40221031 - 2³ = 40221023 is a prime.

It is a super-2 number, since 2×40221031² = 3235462669405922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40221001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2020 + ... + 9193.

It is an arithmetic number, because the mean of its divisors is an integer number (5349078).

Almost surely, 2^40221031 is an apocalyptic number.

40221031 is a deficient number, since it is larger than the sum of its proper divisors (2571593).

40221031 is a wasteful number, since it uses less digits than its factorization.

40221031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11441.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 40221031 is about 6342.0052822431. The cubic root of 40221031 is about 342.6239620904.

Adding to 40221031 its reverse (13012204), we get a palindrome (53233235).

The spelling of 40221031 in words is "forty million, two hundred twenty-one thousand, thirty-one".